地下水水位 : 290 phrases in 18 subjects |
Agriculture | 19 |
Architecture | 3 |
Bridge construction | 12 |
Construction | 4 |
Desert science | 11 |
Earth sciences | 4 |
Ecology | 1 |
Electronics | 7 |
Engineering geology | 35 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 4 |
Hydroelectric power stations | 16 |
Metallurgy | 5 |
Oil / petroleum | 4 |
Refrigeration | 1 |
Technology | 154 |
United Nations | 1 |
Water resources | 8 |